{"title":"Smoke Dampers","description":"\u003cp\u003eSmoke spreads fast—and that’s where \u003cstrong data-end=\"53\" data-start=\"36\"\u003eSmoke Dampers\u003c\/strong\u003e step in. Designed to control airflow during emergencies, they work alongside \u003ca href=\"https:\/\/www.efans.co.uk\/collections\/extractor-fans\"\u003e\u003cstrong data-end=\"149\" data-start=\"131\"\u003eExtractor Fans\u003c\/strong\u003e\u003c\/a\u003e to protect escape routes and limit smoke movement. This collection helps you choose compliant, reliable solutions that keep people safer when it matters most.\u003c\/p\u003e\n\u003cp data-end=\"428\" data-start=\"42\"\u003eIn fire safety systems, airflow control can be the difference between safe evacuation and dangerous smoke spread. \u003ca href=\"https:\/\/www.efans.co.uk\/collections\/dampers\"\u003e\u003cstrong data-end=\"173\" data-start=\"156\"\u003eSmoke Dampers\u003c\/strong\u003e\u003c\/a\u003e are designed to limit the movement of smoke through ductwork, protecting escape routes and supporting compliant building design. When integrated with \u003cstrong data-end=\"342\" data-start=\"324\"\u003eExtractor Fans\u003c\/strong\u003e, they help manage smoke movement and maintain tenable conditions during an emergency.\u003c\/p\u003e\n\u003cp data-end=\"551\" data-start=\"430\"\u003eThis page explains how smoke dampers work, where they’re required, and how to choose the right solution for your project.\u003c\/p\u003e\n\u003ch2 data-end=\"608\" data-start=\"558\"\u003e\n\u003cimg style=\"font-size: 0.875rem; margin-bottom: 0px;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Premium_smoke_damper_in_commercial_duct_system.webp?v=1769586925\" alt=\"Swegon smoke damper used in commercial smoke control system\"\u003eSmoke Dampers vs. Fire Dampers: Key Differences\u003c\/h2\u003e\n\u003cp data-end=\"935\" data-start=\"610\"\u003eSmoke dampers and \u003ca href=\"https:\/\/www.efans.co.uk\/collections\/fire-dampers\"\u003e\u003cstrong\u003efire dampers\u003c\/strong\u003e\u003c\/a\u003e are often mentioned together, but they serve different purposes. Smoke dampers are designed to restrict smoke movement, while fire dampers are intended to stop the spread of fire through fire-rated barriers. In many buildings, combined fire and smoke dampers are used to meet both requirements.\u003c\/p\u003e\n\u003ch3 data-end=\"993\" data-start=\"937\"\u003eBest Smoke Dampers for Life Safety and Escape Routes\u003c\/h3\u003e\n\u003cp data-end=\"1280\" data-start=\"995\"\u003eThe \u003cstrong data-end=\"1021\" data-start=\"999\"\u003ebest smoke dampers\u003c\/strong\u003e are specified to protect corridors, stairwells, and other escape routes. By closing automatically when smoke is detected, they prevent smoke migration and help maintain visibility and breathable conditions—critical for occupant safety and firefighter access.\u003c\/p\u003e\n\u003ch3 data-end=\"1347\" data-start=\"1282\"\u003eStainless Steel Fire Smoke Dampers for Corrosive Environments\u003c\/h3\u003e\n\u003cp data-end=\"1627\" data-start=\"1349\"\u003e\u003cstrong data-end=\"1387\" data-start=\"1349\"\u003eStainless steel fire smoke dampers\u003c\/strong\u003e are ideal for corrosive or high-humidity environments such as laboratories, commercial kitchens, or coastal buildings. Stainless steel construction improves durability and ensures long-term performance where standard materials may degrade.\u003c\/p\u003e\n\u003ch2 data-end=\"1704\" data-start=\"1634\"\u003eCompliance and Installation: Where are Fire Smoke Dampers Required?\u003c\/h2\u003e\n\u003cp data-end=\"1828\" data-start=\"1748\"\u003eUnderstanding regulations is essential when specifying smoke control components.\u003c\/p\u003e\n\u003cp data-end=\"2093\" data-start=\"1830\"\u003eFire smoke dampers are required where ductwork passes through fire compartments or smoke control zones. Exactly \u003cstrong data-end=\"1983\" data-start=\"1942\"\u003ewhere fire smoke dampers are required\u003c\/strong\u003e depends on building use, size, and local fire safety guidance, but compliance with UK standards is mandatory.\u003c\/p\u003e\n\u003ch3 data-end=\"2161\" data-start=\"2095\"\u003eActionair Fire Damper Installation Guide and BSB Smoke Dampers\u003c\/h3\u003e\n\u003cp data-end=\"2536\" data-start=\"2163\"\u003eFollowing a recognised installation standard is crucial. The \u003cstrong data-end=\"2296\" data-start=\"2224\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eActionair\u003c\/span\u003e\u003c\/span\u003e fire damper installation guide\u003c\/strong\u003e is widely referenced for best practice, ensuring dampers perform correctly in real fire scenarios. \u003cstrong data-end=\"2451\" data-start=\"2396\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eBSB\u003c\/span\u003e\u003c\/span\u003e smoke dampers\u003c\/strong\u003e are also commonly specified for their tested reliability and compliance credentials.\u003c\/p\u003e\n\u003ch3 data-end=\"2594\" data-start=\"2538\"\u003eSmoke Damper Actuators and Fail-Safe Control Systems\u003c\/h3\u003e\n\u003cp data-end=\"2840\" data-start=\"2596\"\u003eA \u003cstrong data-end=\"2623\" data-start=\"2598\"\u003esmoke damper actuator\u003c\/strong\u003e controls how the damper opens or closes in response to fire alarm or smoke detection signals. Fail-safe actuators ensure the damper moves to a safe position on power loss—an essential feature for life safety systems.\u003c\/p\u003e\n\u003cp data-end=\"2840\" data-start=\"2596\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/BSB-branded_smoke_damper_in_HVAC_system.jpg?v=1769586953\" alt=\"BSB smoke damper installed in building ventilation system\"\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"2897\" data-start=\"2847\"\u003ePremium Solutions: BSB Smoke Dampers\u003c\/h2\u003e\n\u003cp data-end=\"3285\" data-start=\"2941\"\u003ePremium manufacturers offer dampers that are independently tested for leakage, response time, and fire resistance. \u003cstrong data-end=\"3111\" data-start=\"3056\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eBSB\u003c\/span\u003e\u003c\/span\u003e smoke dampers\u003c\/strong\u003e are known for precision engineering and integration with modern building services, while BSB solutions provide robust options across a wide range of commercial applications.\u003c\/p\u003e\n\u003ch2 data-end=\"3299\" data-start=\"3292\"\u003eFAQs\u003c\/h2\u003e\n\u003cp data-end=\"3382\" data-start=\"3301\"\u003e\u003cstrong data-end=\"3328\" data-start=\"3301\"\u003eWhat is a smoke damper?\u003c\/strong\u003e\u003cbr data-end=\"3331\" data-start=\"3328\"\u003eA device that restricts smoke movement in ductwork.\u003c\/p\u003e\n\u003cp data-end=\"3469\" data-start=\"3384\"\u003e\u003cstrong data-end=\"3421\" data-start=\"3384\"\u003eWhere are smoke dampers required?\u003c\/strong\u003e\u003cbr data-end=\"3424\" data-start=\"3421\"\u003eIn smoke control zones and fire compartments.\u003c\/p\u003e\n\u003cp data-end=\"3594\" data-start=\"3471\"\u003e\u003cstrong data-end=\"3539\" data-start=\"3471\"\u003eWhat is the difference between a fire damper and a smoke damper?\u003c\/strong\u003e\u003cbr data-end=\"3542\" data-start=\"3539\"\u003eFire dampers stop fire; smoke dampers control smoke.\u003c\/p\u003e\n\u003cp data-end=\"3691\" data-start=\"3596\"\u003e\u003cstrong data-end=\"3636\" data-start=\"3596\"\u003eWhat are the three types of dampers?\u003c\/strong\u003e\u003cbr data-end=\"3639\" data-start=\"3636\"\u003eFire dampers, smoke dampers, and fire-smoke dampers.\u003c\/p\u003e","products":[{"product_id":"systemair-fire-damper-in-duct-circular-pki-range","title":"Systemair Fire Damper In-Duct Circular (PKI Range)","description":"\u003cp\u003eSystemair Fire Damper In-Duct Circular (PKI Range) are designed to fit inside spiral ductwork. Fire dampers represent passive fire protection, designed with the help of compartmentalisation to prevent the spread of toxic gases, smoke and fire. They are are designed and certified in accordance with the test criteria’s EIS according to EN 1366–2.\u003c\/p\u003e\n\u003cp\u003eA fire damper together with its installation form an inseparable part of the fire resistivity rating.\u003c\/p\u003e\n\u003cp\u003eThe Damper closes after the melting of the thermal fuse. After the closing of the damper blade, it is mechanically locked in the closed position and can only be opened manually, which requires access of the maintenance staff into the duct.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003e✓ \u003c\/span\u003eSpiral ductwork\u003cbr\u003e\u003cspan\u003e✓ P\u003c\/span\u003ereventing the spread of toxic gases, smoke and fire.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eTechnical Data\u003c\/strong\u003e\u003cbr\u003eThe actuating mechanism is activated when the temperature of the air in the duct reaches 72°C.\u003c\/p\u003e\n\u003cp\u003e• PKI-dia-120 Circular fire damper with a maximum fire resistivity of 120 minutes.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eManuals \u0026amp; Guides\u003c\/b\u003e\u003cbr\u003e\u003ca title=\"Data Sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_PKI-C-EI120S-100-ZV.pdf?v=1612862610\"\u003e\u003cspan\u003eSystemair Fire Damper In-Duct Circular PKI 100 Dia (120 mins) Datasheet\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e \u003ca title=\"Data Sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_PKI-C-EI120S-125-ZV.pdf?v=1612862610\"\u003eSystemair Fire Damper In-Duct Circular PKI 125 Dia (120 mins) Datasheet\u003c\/a\u003e\u003cbr\u003e \u003ca title=\"Data Sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_PKI-C-EI120S-150-ZV.pdf?v=1612862610\"\u003eSystemair Fire Damper In-Duct Circular PKI 150 Dia (120 mins) Datasheet\u003c\/a\u003e\u003cbr\u003e \u003ca title=\"Data Sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_PKI-C-EI120S-200-ZV.pdf?v=1612862610\"\u003eSystemair Fire Damper In-Duct Circular PKI 200 Dia (120 mins) Datasheet\u003c\/a\u003e\u003cbr\u003e \u003ca title=\"Systemair Fire Damper In-Duct Circular (PKI Range) User Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/A-PKI-C_USERMANUAL_ENG_GLO_USERMANUAL_PKI-C_EN.PDF?v=1653908748\" target=\"_blank\"\u003eSystemair Fire Damper In-Duct Circular (PKI Range) User Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"eFans Direct Ltd","offers":[{"title":"100mm dia 120 mins","offer_id":33482561650821,"sku":"238105","price":56.99,"currency_code":"GBP","in_stock":true},{"title":"125mm dia 120 mins","offer_id":33482561781893,"sku":"238107","price":64.99,"currency_code":"GBP","in_stock":true},{"title":"150mm dia 120 mins","offer_id":33482562011269,"sku":"238109","price":77.99,"currency_code":"GBP","in_stock":true},{"title":"200mm dia 120 mins","offer_id":33482562240645,"sku":"238112","price":105.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/PKIRangeFireDamperIn-DuctCircular.jpg?v=1589574330"},{"product_id":"bsb-fd-c-series-circular-single-blade-externally-resettable-combination-fire-and-volume-control-damper","title":"BSB FD-C Series Circular Single Blade Externally Resettable Combination Fire and Volume Control Damper","description":"\u003cdiv\u003eThe FD-C Manual Operation Single Blade Fire Damper with volume control facility has been designed specifically for installations where space is at a premium. The testing and resetting of the damper and thermal fuse external of the duct allows for ease of commissioning and maintenance.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eES classified fire dampers with reduced smoke leakage characteristics (BS EN 1366-2)\u003c\/li\u003e\n\u003cli\u003eAerodynamically Air Control tested to (BS EN 1751)\u003c\/li\u003e\n\u003cli\u003eTested and assessed installation methods in differing supporting constructions (BS EN 1366-2)\u003c\/li\u003e\n\u003cli\u003eIntegrated volume control capability\u003c\/li\u003e\n\u003cli\u003eReplaceable fusible link from outside of the ductwork\u003c\/li\u003e\n\u003cli\u003eCommissioning friendly\u003c\/li\u003e\n\u003cli\u003eExternal blade position indicator\u003c\/li\u003e\n\u003cli\u003eDamper casing conforms to BS EN 1506\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard Case Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e320mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 Sizes available (100mm - 315mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eManuals \u0026amp; Guides \u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/fd_c_seriesdata.pdf?v=1616443717\" title=\"Data Sheet\"\u003eBSB FD-C Series Circular Single Blade Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"BSB","offers":[{"title":"100mm dia","offer_id":34641218175132,"sku":"EF100-FD","price":101.99,"currency_code":"GBP","in_stock":true},{"title":"125mm dia","offer_id":34641236066460,"sku":"EF125-FD","price":113.99,"currency_code":"GBP","in_stock":true},{"title":"150mm dia","offer_id":34641329553564,"sku":"EF150-FD","price":106.99,"currency_code":"GBP","in_stock":true},{"title":"160mm dia","offer_id":34641383653532,"sku":"EF160-FD","price":111.99,"currency_code":"GBP","in_stock":true},{"title":"200mm dia","offer_id":34641394237596,"sku":"EF200-FD","price":120.99,"currency_code":"GBP","in_stock":true},{"title":"250mm dia","offer_id":34641397055644,"sku":"EF250-FD","price":133.99,"currency_code":"GBP","in_stock":true},{"title":"300mm dia","offer_id":34641400823964,"sku":"EF300-FD","price":145.99,"currency_code":"GBP","in_stock":true},{"title":"315mm dia","offer_id":34641418158236,"sku":"EF315-FD","price":153.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/bsb-fire-damper.jpg?v=1733757345"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/collections\/Premium_smoke_damper_in_commercial_duct_system.webp?v=1769586980","url":"https:\/\/www.efans.co.uk\/collections\/smoke-dampers.oembed","provider":"eFans Direct Ltd","version":"1.0","type":"link"}